DISQO is an open education community for teaching, collaborating and learning.
Our mission is to give everyone access to a first rate education. Anyone can benefit from the free online lessons, courses and curricula published here.

Arithmetic

Study arithmetic, learn arithmetic, arithmetic lessons, arithmetic lectures, arithmetic tutorials.
Course
0

Basic Addition and Subtraction

Teacher: disqo

The course is a video playlist of lessons from Salman Khan of the Khan Academy. It is an excellent set of tutorials to help young students directly, to help teachers visualise alternative...
Created: 21 November 2009, Subject: Arithmetic, Mathematics

Course
0

Learning to Multiply

Teacher: disqo

The course is a video playlist of lessons from Salman Khan of the Khan Academy. It is an excellent set of tutorials to help young students directly, to help teachers visualise alternative...
Created: 22 November 2009, Subject: Arithmetic, Mathematics

Interactive
4

Order of Operations Excersize

Teacher: disqo

Order of operations exercise from the Khan Academy. You will need to log in with your google or facebook account to use this exercise. That's a good thing because they keep track of your progress...
Created: 14 April 2011, Subject: Arithmetic, Mathematics

Video
DISQO
5

Basic Subtraction

Teacher: disqo

Introduction to subtraction

Lesson image by www.flickr.com/photos/impactmatt


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
DISQO
3.5

Basic Subtraction 2

Teacher: disqo

Subtraction of multi-digit numbers involving borrowing.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
DISQO
3

Basic Addition

Teacher: disqo

Introduction to addition. Multiple visual ways to represent addition.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Basic Addition 2

Teacher: disqo

Adding a 2 digit number to a 1 digit number. Introduction to carrying.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Why borrowing works with subtraction

Teacher: disqo

An explanation of why (not how) borrowing/regrouping works when subtracting numbers.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Multiplication: The Basics

Teacher: disqo

Introduction to multiplication.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Multiplication: The Tables

Teacher: disqo

Introduction to the multiplication tables from 2-9.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Whole Number Multiplication: 10, 11, 12 Times Tables

Teacher: disqo

Multiplication 3: Learning to multiply 10, 11, and 12.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Multiplication: 2 digit x 1 digit

Teacher: disqo

Multiplying a 2-digit times a 1-digit number.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Multiplication: 2-digit x 2-digit

Teacher: disqo

Multiplying a 2-digit number times a 2-digit number.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Video
0

Multiplication: Multiple Digit Numbers

Teacher: disqo

Working our way up to multiplying multiple-digit numbers with each other.


Created: 21 November 2009, Subject: Arithmetic, Mathematics
Syndicate content